Error: uncaught exception: [Exception… “Component returned failure code: 0x805e000a [nsIXMLHttpRequest.open]” nsresult: “0x805e000a ()” AdBlock interferes with the XmlHTTPRequest object and is known to sometimes break the way jQuery functions especially if the url triggers some sort of url filter. You have a few options to resolve the solution: suggest that users turn off AdBlock if…
jQuery in Action, First Edition is written by Bear Bibeault and Yehuda Katz and is probably the simplest and easiest to understand programming book available. Target reader is somebody that already is using javascript in projects and is looking to push the limits of their web applications by using jQuery and many of it’s great…
jQuery is very well suited for cross browser JavaScript development, but I bet you didn’t know jQuery is also fairly well suited to parsing XML. I often use jQuery to send XMLHttpRequests and then parse the XML returned by a PHP script on the server and then manipulate the return in some way. I won’t…
jQuery is so powerful and very flexible and usually makes so many complex takes so simple. Anything with a scrollbar and can be selected can be programatically scrolled to to the top. $(div).scrollTop(); Scrolling to top of browser window is as simple as: $(window).scrollTop(0);
jQuery is a really popular JavaScript library that helps really simplify manipulating HTML with JavaScript whether it be CSS, animations or even doing Ajax. I’ve been using jQuery since at least mid 2008 and have to say that I just love how much easier things are and not having to generally deal with the cross-browser…
Setting focus to the 1st field in jQuery is actually really simple: there are some plugins that also can do it automatically on each reload of a form. I usually just use the following code on any pages where there is a form. <script type=”text/javascript”> $(document).ready(function() { $(“input:text:visible:first”).focus(); }); </script> Hope this helps.
David Tang has written a simple and elegant plugin for jQuery that allows a div to be placed in the middle of a page.
Many more senior web developers can remember throwing tags all over the contents of websites and using tables for the presentation of content: these practices are said to be intrusive and a maintenance nightmare especially when the font colour should be pink instead of black on a header. Unobtrusive JavaScript is another best practice for…
JavaScript and the respective frameworks have really began to gain traction over the last couple of years. I would argue that most of the JavaScript frameworks are excellent, and truly are great for the user experience and for the programmer experience.
